need a place to store my luggage in Paris.

we are travelling to Paris for 5 weeks beginning on July 13th 2015 for 5 weeks.to start a tour.I have 2 hard case suitcases that hold our folding Dahon bikes.we will be flying into CDG..we will be staying in the 14 Arrondissements for 3 days before we leave. Thank You. Roland.